Samsung DVD-R120/AXAX Instrucciones De Servicio página 41

Troubleshooting
Line1 CVBS Video Input Error
A
Pin80 in TIC1 of Main PCB
Pin40 and pin 54~43 in TIC1
of Main PCB has Clock and
5-6
Pin 14 In IC201
Has normal level?
Yes
Pin 13 In IC201
Has normal signal?
CVBS(Color-bar)
Yes
Pin 9 / 10 in IC201 is
In Low and high state
Respectively?
Yes
has normal level?
Yes
Digital Video Signal
normal level ?
Yes
Change Main PCB
No
Check the connection between
Pin 14 in IC201 and L1 Pin-Jack.
No
Check Pin 16 in IC201
of input power(5V).
Check the connection between Pin 9 and
No
Pin 10 in IC201 and Pin 92 and 91 in IC601.
Pin9/10
L/L : RF Signal
L/H : Line1
H/L : Line2
H/H : Reserved
No
Check the connection between Pin 80 in
TIC1 of Main PCB and Pin 13 in IC201.
No
Check TIC1 peripheral circuit.
Samsung Electronics